Merge pull request #62 from Adman/master

fixed sidebar on windows
cleanup and more docs
function random
PEP8-ified
fixed @Adman's hotkeys
off function
default behaviour for off
function clear_screen
function lcd_print
docstring
function lcd_clear
wrong number of lines
function lcd_reset
rotate_motor function
wait function
installation
no hardcoded config
gitignore
nasty hack again
fixed config writing for nxtemu